private void DeleteMapping(long ID)
        {
            using (Medappz2_LiveEntities l = new Medappz2_LiveEntities())
            {
                try
                {
                    var DependentPermission = from vPer in l.l_SECU_MP_OPERATION_PERMISSION
                                              where vPer.FK_OPERATION_MAP_ID == ID
                                              select vPer;
                    foreach (l_SECU_MP_OPERATION_PERMISSION c in DependentPermission)
                    {
                        l.DeleteObject(c);
                    }
                    var DependendOp = from vOp in l.L_SECU_MNU_OP_MAP where vOp.FK_OPERATION_MAP_ID == ID select vOp;

                    foreach (L_SECU_MNU_OP_MAP c in DependendOp)
                    {
                        l.DeleteObject(c);
                    }

                    l.DeleteObject((from vObj in l.L_SECU_SECTION_OPERATION_MAP where vObj.PK_ID == ID select vObj).FirstOrDefault());
                    l.SaveChanges();
                }
                catch (Exception Eobj)
                {
                    System.Diagnostics.Debug.WriteLine(Eobj.Message);
                }
            }
        }